diff --git a/dst/QScript/Introduction.html b/dst/QScript/Introduction.html
index f241ab4..8ca37a1 100644
--- a/dst/QScript/Introduction.html
+++ b/dst/QScript/Introduction.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Lua/Classes.html b/dst/QScript/Lua/Classes.html
index 7b2221d..bfbddb5 100644
--- a/dst/QScript/Lua/Classes.html
+++ b/dst/QScript/Lua/Classes.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Lua/Exports.html b/dst/QScript/Lua/Exports.html
index b75e4c5..f5709d9 100644
--- a/dst/QScript/Lua/Exports.html
+++ b/dst/QScript/Lua/Exports.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Lua/Imports.html b/dst/QScript/Lua/Imports.html
index c221126..c376980 100644
--- a/dst/QScript/Lua/Imports.html
+++ b/dst/QScript/Lua/Imports.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Lua/Intro.html b/dst/QScript/Lua/Intro.html
index d92f456..978eabe 100644
--- a/dst/QScript/Lua/Intro.html
+++ b/dst/QScript/Lua/Intro.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Lua/Objects.html b/dst/QScript/Lua/Objects.html
index 1732e86..d6d81b4 100644
--- a/dst/QScript/Lua/Objects.html
+++ b/dst/QScript/Lua/Objects.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/QScript/Tutorial/Chapter1.html b/dst/QScript/Tutorial/Chapter1.html
index 8034e07..f10ebb6 100644
--- a/dst/QScript/Tutorial/Chapter1.html
+++ b/dst/QScript/Tutorial/Chapter1.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/dst/index.html b/dst/index.html
index daa4b6f..dc8c708 100644
--- a/dst/index.html
+++ b/dst/index.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);
diff --git a/template.html b/template.html
index 02f55e4..26c1a53 100644
--- a/template.html
+++ b/template.html
@@ -41,7 +41,7 @@
         }
         for (var i = 0; i < namelist.length; i++) 
         {
-            if(!namelist[i].toLowerCase().includes(searchtext)) continue;
+            if(namelist[i].toLowerCase().indexOf(searchtext) == -1) continue;
             var searchelement = document.createElement("li");
             var link = document.createElement("a");
             searchelement.appendChild(link);